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Table 1 Demographic information and antibiotic resistance rates

From: Antimicrobial resistance patterns and genetic elements associated with the antibiotic resistance of Helicobacter pylori strains from Shanghai

Group

Total, n (%)

Antibiotic-Resistance Phenotypes, n (%)

Amoxicillin-R/mono-R

Metronidazole-R/mono-R

Clarithromycin-R/mono-R

Levofloxacin-R/mono-R

Metronidazole-clarithromycin dual-R

Metronidazole-levofloxacin dual-R

Clarithromycin-levofloxacin dual-R

MDR

Susceptible to four antibiotics

Gender

 Male

61 (54.5)

0 (0)/0 (0)

40 (65.6)/23 (37.7)

8 (13.1)/3 (4.9)

19 (31.1)/4 (6.6)

2 (3.3)

12 (19.7)

0 (0)

3 (4.9)

14 (23.0)

 Female

51 (45.5)

0 (0)/0 (0)

33 (64.7)/15 (29.4)

10 (19.6)/0 (0)

20 (39.2)/1 (2.0)

2 (3.9)

11 (21.6)

3 (5.9)

5 (9.8)

14 (23.0)

Age

 19–29

8 (7.1)

0 (0)/0 (0)

5 (62.5)/2 (25.0)

2 (25.0)/1 (12.5)

3 (37.5)/0 (0)

0 (0)

2 (25.0)

0 (0)

1 (12.5)

2 (25.0)

 30–39

18 (16.1)

0 (0)/0 (0)

8 (44.4)/7 (38.9)

3 (16.7)/2 (11.1)

3 (16.7)/3 (16.7)

1 (5.6)

0 (0)

0 (0)

0 (0)

5 (27.8)

 40–49

17 (15.2)

0 (0)/0 (0)

12 (70.6)/6 (35.3)

4 (23.5)/0 (0)

6 (35.3)/0 (0)

1 (5.9)

3 (17.6)

1 (5.9)

2 (11.8)

4 (23.5)

 50–59

29 (25.9)

0 (0)/0 (0)

20 (69.0)/10 (34.5)

4 (13.8)/0 (0)

9 (31.0)/0 (0)

2 (6.9)

7 (24.1)

1 (3.4)

1 (3.4)

8 (27.6)

 60–69

27 (24.1)

0 (0)/0 (0)

20 (74.1)/11 (40.7)

2 (7.41)/0 (0)

11 (40.7)/1 (3.7)

0 (0)

8 (29.6)

1 (3.7)

1 (3.7)

5 (18.5)

 70–79

13 (11.6)

0 (0)/0 (0)

6 (46.2)/2 (15.4)

2 (15.4)/0 (0)

6 (46.2)/1 (7.7)

0 (0)

2 (15.4)

0 (0)

2 (15.4)

4 (30.8)

 80 < 

2 (1.8)

0 (0)/0 (0)

2 (100)/0(0)

1 (50)/0(0)

1 (50)/0(0)

0 (0)

1 (50)

0 (0)

1 (50)

0 (0)

Gastroscopy diagnosis

 Chronic superficial gastritis

19 (17.0)

0 (0)/0 (0)

8(42.1)/5(26.3)

2(10.5)/1(5.3)

5(26.3)/2(10.5)

0(0)

2(10.5)

0(0)

1(5.3)

8(42.1)

 Chronic atrophic gastritis

66 (58.9)

0 (0)/0 (0)

46(69.7)/20(30.3)

13(19.7)/0(0)

29(43.9)/3(4.5)

3(4.5)

16(24.2)

3(4.5)

7(10.6)

14(21.2)

 Gastric/Duodenal ulcer

26 (23.2)

0 (0)/0 (0)

18(69.2)/12(46.2)

3(11.5)/2(7.7)

5(19.2)/0(0)

1(3.8)

5(19.2)

0 (0)

0 (0)

6(23.1)

 Gastric cancer

1 (0.9)

0 (0)/0 (0)

1(100)/1(100)

0 (0)/0 (0)

0 (0)/0 (0)

0 (0)/0 (0)

0 (0)/0 (0)

0 (0)/0 (0)

0 (0)/0 (0)

0 (0)/0 (0)

Total

112

0 (0)/0 (0)

73 (65.2)/38 (33.9)

18 (16.1)/3 (2.7)

39 (34.8)/5 (4.5)

4 (3.6)

23 (20.5)

3 (2.7)

8 (7.1)

28 (25.0)